It is developed and produced by introducing German advanced technology and used for the cable connection of 10kV Transmission and distribution system to distribute electric energy. The connection mode is simple, convenient and flexible to meet various wiring requirements. The product has the characteristics of full insulation, full sealing, corrosion resistance, maintenance free, safe and reliable, small floor area and so on. The product has strong environmental adaptability, and can be widely used for cable matching in industrial parks, residential areas, commercial areas, mining areas and both sides of streets.